diff options
| author | Mark Brown <broonie@kernel.org> | 2016-11-04 12:16:38 -0600 |
|---|---|---|
| committer | Mark Brown <broonie@kernel.org> | 2016-11-04 12:16:38 -0600 |
| commit | cc9b94029e9ef51787af908e9856b1eed314bc00 (patch) | |
| tree | 9675310b89d0f6fb1f7bd9423f0638c4ee5226fd /drivers/gpu/drm/amd/amdgpu/atombios_i2c.c | |
| parent | 13bed58ce8748d430a26e353a09b89f9d613a71f (diff) | |
| parent | 1b5b42216469b05ef4b5916cb40b127dfab1da88 (diff) | |
Merge branch 'topic/error' of git://git.kernel.org/pub/scm/linux/kernel/git/broonie/regulator into regulator-fixed
Diffstat (limited to 'drivers/gpu/drm/amd/amdgpu/atombios_i2c.c')
| -rw-r--r-- | drivers/gpu/drm/amd/amdgpu/atombios_i2c.c | 16 |
1 files changed, 16 insertions, 0 deletions
diff --git a/drivers/gpu/drm/amd/amdgpu/atombios_i2c.c b/drivers/gpu/drm/amd/amdgpu/atombios_i2c.c index 13cdb01e9b45..b374653bd6cf 100644 --- a/drivers/gpu/drm/amd/amdgpu/atombios_i2c.c +++ b/drivers/gpu/drm/amd/amdgpu/atombios_i2c.c @@ -27,6 +27,7 @@ #include "amdgpu.h" #include "atom.h" #include "amdgpu_atombios.h" +#include "atombios_i2c.h" #define TARGET_HW_I2C_CLOCK 50 @@ -156,3 +157,18 @@ u32 amdgpu_atombios_i2c_func(struct i2c_adapter *adap) return I2C_FUNC_I2C | I2C_FUNC_SMBUS_EMUL; } +void amdgpu_atombios_i2c_channel_trans(struct amdgpu_device* adev, u8 slave_addr, u8 line_number, u8 offset, u8 data) +{ + PROCESS_I2C_CHANNEL_TRANSACTION_PS_ALLOCATION args; + int index = GetIndexIntoMasterTable(COMMAND, ProcessI2cChannelTransaction); + + args.ucRegIndex = offset; + args.lpI2CDataOut = data; + args.ucFlag = 1; + args.ucI2CSpeed = TARGET_HW_I2C_CLOCK; + args.ucTransBytes = 1; + args.ucSlaveAddr = slave_addr; + args.ucLineNumber = line_number; + + amdgpu_atom_execute_table(adev->mode_info.atom_context, index, (uint32_t *)&args); +} |